|
1
57
58 package org.apache.soap.encoding.soapenc;
59
60 import java.beans.*;
61 import java.io.*;
62 import java.util.*;
63 import java.lang.reflect.*;
64 import org.w3c.dom.*;
65 import org.apache.soap.util.*;
66 import org.apache.soap.util.xml.*;
67 import org.apache.soap.*;
68 import org.apache.soap.rpc.*;
69
70
77 public class BeanSerializer implements Serializer, Deserializer
78 {
79 public void marshall(String  inScopeEncStyle, Class javaType, Object src,
80 Object context, Writer sink, NSStack nsStack,
81 XMLJavaMappingRegistry xjmr, SOAPContext ctx)
82 throws IllegalArgumentException , IOException
83 {
84 nsStack.pushScope();
85
86 SoapEncUtils.generateStructureHeader(inScopeEncStyle,
87 javaType,
88 context,
89 sink,
90 nsStack,
91 xjmr);
92
93 sink.write(StringUtils.lineSeparator);
94
95 PropertyDescriptor[] properties = getPropertyDescriptors(javaType);
96
97 for (int i = 0; i < properties.length; i++)
98 {
99 String propName = properties[i].getName();
100 Class propType = properties[i].getPropertyType();
101
102 if (!propType.equals(Class .class))
104 {
105 Method propReadMethod = properties[i].getReadMethod();
106
107 if (propReadMethod != null)
109 {
110 Object propValue = null;
111
112 try
114 {
115 if (src != null)
116 {
117 propValue = propReadMethod.invoke(src, new Object []{});
118 }
119 }
120 catch (Exception e)
121 {
122 throw new IllegalArgumentException ("Unable to retrieve '" +
123 propName + "' property " +
124 "value: " + e.getMessage() +
125 '.');
126 }
127
128 Parameter param = new Parameter(propName, propType, propValue, null);
130
131 xjmr.marshall(Constants.NS_URI_SOAP_ENC, Parameter.class, param,
132 null, sink, nsStack, ctx);
133
134 sink.write(StringUtils.lineSeparator);
135 }
136 }
137 }
138
139 sink.write("</" + context + '>');
140
141 nsStack.popScope();
142 }
143
144 public Bean unmarshall(String inScopeEncStyle, QName elementType, Node src,
145 XMLJavaMappingRegistry xjmr, SOAPContext ctx)
146 throws IllegalArgumentException
147 {
148 Element root = (Element)src;
149 Element tempEl = DOMUtils.getFirstChildElement(root);
150 Class javaType = xjmr.queryJavaType(elementType, inScopeEncStyle);
151 Object bean = instantiateBean(javaType);
152 PropertyDescriptor[] properties = getPropertyDescriptors(javaType);
153
154 while (tempEl != null)
155 {
156 Bean paramBean = xjmr.unmarshall(inScopeEncStyle,
157 RPCConstants.Q_ELEM_PARAMETER,
158 tempEl, ctx);
159 Parameter param = (Parameter)paramBean.value;
160 Method propWriteMethod = getWriteMethod(param.getName(),
161 properties,
162 javaType);
163
164 if (propWriteMethod != null)
165 {
166 try
168 {
169 propWriteMethod.invoke(bean, new Object []{param.getValue()});
170 }
171 catch (Exception e)
172 {
173 throw new IllegalArgumentException ("Unable to set '" +
174 param.getName() +
175 "' property: " +
176 e.getMessage() + '.');
177 }
178 }
179
180 tempEl = DOMUtils.getNextSiblingElement(tempEl);
181 }
182
183 return new Bean(javaType, bean);
184 }
185
186 private PropertyDescriptor[] getPropertyDescriptors(Class javaType)
187 throws IllegalArgumentException
188 {
189 BeanInfo beanInfo = null;
190
191 try
192 {
193 beanInfo = Introspector.getBeanInfo(javaType);
194 }
195 catch (IntrospectionException e)
196 {
197 }
198
199 if (beanInfo != null)
200 {
201 PropertyDescriptor[] properties = beanInfo.getPropertyDescriptors();
202
203 if (properties != null)
204 {
205 return properties;
206 }
207 else
208 {
209 throw new IllegalArgumentException ("Unable to retrieve property " +
210 "descriptors for '" +
211 StringUtils.getClassName(javaType) +
212 "'.");
213 }
214 }
215 else
216 {
217 throw new IllegalArgumentException ("Unable to retrieve BeanInfo " +
218 "for '" + StringUtils.getClassName(
219 javaType) + "'.");
220 }
221 }
222
223 protected Method getWriteMethod(String propertyName,
224 PropertyDescriptor[] pds,
225 Class javaType)
226 {
227 for (int i = 0; i < pds.length; i++)
228 {
229 if (propertyName.equals(pds[i].getName()))
230 {
231 return pds[i].getWriteMethod();
232 }
233 }
234
235 throw new IllegalArgumentException ("Unable to retrieve " +
236 "PropertyDescriptor for property '" +
237 propertyName + "' of class '" +
238 javaType + "'.");
239 }
240
241 private Object instantiateBean(Class javaType)
242 throws IllegalArgumentException
243 {
244 try
245 {
246 return javaType.newInstance();
247 }
248 catch (Throwable t)
249 {
250 throw new IllegalArgumentException ("Unable to instantiate '" +
251 StringUtils.getClassName(javaType) +
252 "': " + t.getMessage());
253 }
254 }
255 }
256 |
Popular Tags |
Java API By Example, From Geeks To Geeks.